package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Api(tags = "菜品管理")
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    DishService dishService;
    @Autowired
    RedisTemplate redisTemplate;


    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {

        log.info("新增菜品:{}", dishDTO);

        dishService.saveWhitFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();

        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }


    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除:{}", ids);

        dishService.deleteBatch(ids);

        //清除所有dish缓存
        cleanCache("dish_*");


        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {

        log.info("根据id查询菜品:{}", id);

        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);

    }

    @PutMapping
    @ApiOperation("根据id修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO) {

        dishService.updateWithFlavor(dishDTO);
        //清除所有dish缓存
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {

        List<Dish> list = dishService.list(categoryId);


        return Result.success(list);
    }

    /**
     * 根据key的模式清除缓存信息
     *
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);

        redisTemplate.delete(keys);
    }

    //todo 菜品的起售停售

    /**
     * 菜品的起售停售
     *
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品的起售与停售")
    public Result startOrstop(@PathVariable Integer status, Long id) {
        log.info("菜品的起售与停售:id:{},status{}",id,status);
        dishService.startOrstop(id,status);

        return Result.success();

    }


}
